CN104158370B - Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor - Google Patents
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor Download PDFInfo
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- CN104158370B CN104158370B CN201410335183.2A CN201410335183A CN104158370B CN 104158370 B CN104158370 B CN 104158370B CN 201410335183 A CN201410335183 A CN 201410335183A CN 104158370 B CN104158370 B CN 104158370B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 230000005284 excitation Effects 0.000 claims abstract description 142
- 238000004804 winding Methods 0.000 claims abstract description 40
- 230000005389 magnetism Effects 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 13
- 230000002457 bidirectional effect Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000005347 demagnetization Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 208000035126 Facies Diseases 0.000 description 18
- 230000008901 benefit Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000012913 prioritisation Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000037361 pathway Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The invention discloses a kind of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, the stator including casing, being arranged in casing and rotor.Electrical excitation S pole, electrical excitation N pole on rotor are axially extending towards different sides respectively, collect the electrical excitation S pole pole shoe together in the annular being fixed in rotating shaft, electrical excitation N pole pole shoe.Electrical excitation S pole pole shoe, the outward flange of electrical excitation N pole pole shoe are respectively arranged with an Exciting Windings for Transverse Differential Protection support being fixed on end cap, and Exciting Windings for Transverse Differential Protection support is respectively fixed with set of excitation winding.The present invention carries out adjustable magnetic by the axial magnetic circuit being made up of the parts such as end cap, casing.Permanent magnetic circuit of the present invention and electrical excitation magnetic circuit are to independence, neither series circuit, are not parallel circuits, and adjustable magnetic is convenient, turn avoid the risk of permanent magnetic steel demagnetization simultaneously.The present invention is brushless excitation scheme, and structure is reliable.Additionally use DC excitation mode, control simple, bidirectional excitation can be realized, the flux control wide ranges of electrical excitation magnetic pole.
Description
Technical field
The present invention relates to a kind of magneto, particularly to a kind of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, belong to synchronization
Machine field.
Background technology
Along with raising and the decline of price of permanent magnetic material performance, permanent magnet material use in motor is increasingly extensive.Magneto
Having power density high, volume is little, lightweight, and efficiency is high, non-brushing, advantages of simple structure and simple.Countries in the world all put into
Substantial amounts of human and material resources, occur in that the magneto of a lot of new structure.The main pole air-gap field of magneto cannot regulate or
Difficulty is relatively big, but magneto is when for electromotor, and load causes armature supply change or rotating speed to change and can make
The terminal voltage of electromotor changes therewith, for ensureing normal job demand regulation magnetic field；When motor, in some application scenarios,
Require wide-range-timing, use invariable power mode to carry out speed governing in high regime, now need to weaken magnetic field.
In this context, occur in that a kind of New-type electric machine i.e. mixed excitation electric machine introducing electrical excitation in magneto, by closing
The structure design of reason can make mixed excitation electric machine, and the efficiency of existing magneto is high, torque/mass ratio is big, has again electro-magnetic motor
The convenient advantage of adjustable magnetic.
Mixed excitation electric machine, particularly brushless excitation type hybrid exciting synchronous motor generally there are radial magnetic circuit and axial magnetic circuit, its
In the representational rotor magnetic pole Splittable hybrid exciting synchronous motor having British scholar E.Spooer to propose, the electrical excitation of this motor
Magnetic circuit is through stator cage, and axial magnetic circuit is long；Another kind is rotor magnetic shunt mixed excitation synchronous motor, and axial magnetic circuit is through turning
N pole yoke ennation, S pole yoke ennation and the magnetic conduction bridge of son, simple in construction, but on rotor, electrical excitation and permanent magnetism are
Parallel circuits, influences each other during adjustable magnetic, and degree of coupling is high.
Summary of the invention
The technical problem to be solved is to provide a kind of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, wherein, rotor
On permanent magnetic circuit and electrical excitation magnetic circuit separate on magnetic circuit, and degree of coupling is low；Use DC excitation, control simple,
Can bidirectional excitation, and the air-gap field range of accommodation width of electrical excitation magnetic pole.
The present invention solves above-mentioned technical problem by the following technical solutions:
The present invention provides a kind of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, the end cap including casing, being arranged on casing two ends,
The stator being arranged in casing and rotor, described stator includes stator core and armature winding.Described rotor includes rotating shaft and divides
It is not arranged on the electrical excitation N pole pole shoe of the electrical excitation S pole pole shoe of the annular at the axial two ends of rotating shaft, annular；Described annular
Electrical excitation S pole pole shoe, the electrical excitation N pole pole shoe of annular fixing with rotating shaft is respectively connected；Described electrical excitation S pole pole shoe,
Electrical excitation N pole pole shoe respectively and coaxial end end cap inwall between formed additional air gap；The electrical excitation S pole of described annular
Pole shoe, the outward flange of electrical excitation N pole pole shoe of annular are respectively arranged with an Exciting Windings for Transverse Differential Protection support, each described Exciting Windings for Transverse Differential Protection
Support is separately fixed on the end of coaxial end；An Exciting Windings for Transverse Differential Protection placed respectively by each described Exciting Windings for Transverse Differential Protection support；Described rotor
Surface distributed have electrical excitation magnetic pole and permanent magnetism magnetic pole, and the distribution mode of electrical excitation magnetic pole, permanent magnetism magnetic pole is each two electrical excitation
One permanent magnetism magnetic pole is set between magnetic pole, or an electrical excitation magnetic pole is set between each two permanent magnetism magnetic pole；Described electrical excitation magnetic pole
Including electrical excitation S pole, electrical excitation N pole, one end vertically, described electrical excitation S pole extends, and collects electrical excitation S together in annular
Pole pole shoe；The electrical excitation N pole other end vertically extends, and collects the electrical excitation N pole pole shoe together in annular；Described rotor also includes
Permanent magnet, the permanent magnetism magnetic pole yoke being fixed in rotating shaft, described permanent magnet is close to the outward flange of permanent magnetism magnetic pole yoke；Adjacent
Non-magnet material all it is filled with between electrical excitation magnetic pole, permanent magnetism magnetic pole and between electrical excitation magnetic pole, permanent magnetism magnetic pole yoke.
As the further prioritization scheme of the present invention, described stator core is fixed in casing, described casing respectively with end cap, fixed
Son seamless contact unshakable in one's determination.
As the further prioritization scheme of the present invention, described end cap is connected with rotating shaft by bearing.
As the further prioritization scheme of the present invention, described electrical excitation magnetic pole, permanent magnetism magnetic pole respectively and are formed main between stator core
Air gap.
As the further prioritization scheme of the present invention, described casing, end cap, electrical excitation S pole pole shoe, electrical excitation N pole pole shoe,
Electrical excitation magnetic pole, permanent magnetism magnetic pole, stator core are made by permeability magnetic material.
As the further prioritization scheme of the present invention, described rotating shaft is made up of non-magnet material.
In one rotor magnetic circuit self reliance type combined magnetic pole synchronous motor of the present invention, the path of permanent magnet flux is permanent magnet, permanent magnetism magnetic pole
The permanent-magnet magnetic that air gap under air gap under pole-face, stator core, permanent magnetism magnetic pole pole-face, permanent magnet, permanent magnetism magnetic pole yoke are constituted returns
Road.The path of electro-magnetic flux be the air gap under electrical excitation magnetic pole, electrical excitation magnetic pole pole-face, stator core, casing, end cap,
Additional air gap, electrical excitation magnetic pole pole shoe, rotor core constitute electrical excitation magnetic loop.It can thus be seen that permanent magnetism magnetic pole is by permanent magnetism
Body produces, and electrical excitation magnetic pole is produced by electrical excitation, and only on rotor, both fasten separate in magnetic circuit pass, neither
Series connection, the most non-parallel connection.Electrical excitation magnetic pole size can be changed, by changing by changing the DC current size in Exciting Windings for Transverse Differential Protection
DC current direction in Exciting Windings for Transverse Differential Protection can change electrical excitation pole polarity, during regulation electrical excitation, does not affect permanent magnetism
Magnetic pole size.
In the present invention, the armature winding in stator core induces electromotive force because rotor rotates, a certain for constitute in armature winding
For individual coil, cutting 2 electrical excitation magnetic poles in rotor rotation process successively, 1 permanent magnetism magnetic pole, because electrical excitation magnetic pole is big
Little not of uniform size with permanent magnetism magnetic pole fixed identical, the alternating voltage amplitude size induced in the most same coil is also change,
I.e. non-sine electricity, for realizing the three-phase alternating current output of sinusoidal phase voltage and symmetry, then needs in the connected mode of winding
Process accordingly.
The present invention uses above technical scheme compared with prior art, has following technical effect that
(1) in the design of the present invention, permanent magnetic circuit and electrical excitation magnetic circuit on rotor are separate on magnetic circuit, and coupling
Degree is low；
(2) design of the present invention is compared with combination type mixed excitation electric machine, and the compact conformation of the present invention, power density are high；
(3) design of the present invention, uses DC excitation, controls simple, can bidirectional excitation, and the air gap of electrical excitation magnetic pole
Flux control wide ranges；
(4), in the design of the present invention, Exciting Windings for Transverse Differential Protection is arranged at and is positioned on the excitation support that axial end is static, during excitation not
Need brush, improve reliability.
Accompanying drawing explanation
Fig. 1 is the rotor magnetic circuit self reliance type combined magnetic pole synchronous motor axial cross-sectional views along symmetrical center line.
Fig. 2 is the axial cross-sectional views of the rotor magnetic circuit self reliance type inclined symmetrical center line of combined magnetic pole synchronous motor 60 degree.
Fig. 3 is the sectional view of A-A in Fig. 1.
Fig. 4 is rotor structure figure.
Fig. 5 is electrical excitation S electrode structure figure.
Fig. 6 is electrical excitation N electrode structure figure.
Fig. 7 is permanent magnetism magnetic pole structure chart.
Fig. 8 is permanent magnet flux pathway figure.
Electro-magnetic flux pathway figure when Fig. 9 is to increase magnetic.
Wherein, 1-rotating shaft；2-end cap；3-Exciting Windings for Transverse Differential Protection；4-electrical excitation S pole pole shoe；5-electrical excitation S pole；6-permanent magnetism magnetic pole
Yoke；7-armature winding；8-stator core；9-casing；10-Exciting Windings for Transverse Differential Protection support；11-Exciting Windings for Transverse Differential Protection；12-electrical excitation N pole
Pole shoe；13-electrical excitation N pole；14-permanent magnet；15-permanent magnetism N pole magnetic pole；16-permanent magnetism S pole magnetic pole.
Detailed description of the invention
Embodiments of the present invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish phase
Same or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique it is understood that unless expressly stated, singulative used herein " ", " one ",
" described " and " being somebody's turn to do " may also comprise plural form.It is to be further understood that the wording used in the description of the present invention
" include " referring to there is described feature, integer, step, operation, element and/or assembly, but it is not excluded that existence or add
Other features one or more, integer, step, operation, element, assembly and/or their group.It should be understood that when we claim
Element is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also
There is intermediary element.Additionally, " connection " used herein or " coupling " can include wireless connections or couple.Used here as
Wording "and/or" include one or more any cell listing item being associated and all combinations.
It is understood that unless otherwise defined, all terms used herein (include technology art to those skilled in the art of the present technique
Language and scientific terminology) have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also should manage
Solving, those terms defined in such as general dictionary should be understood that the meaning one having with the context of prior art
The meaning caused, and unless defined as here, will not explain by idealization or the most formal implication.
Below in conjunction with the accompanying drawings technical scheme is described in further detail:
The present invention designs a kind of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, as shown in Figure 1 and Figure 2, including casing 9, sets
Putting the end cap 2 at casing 9 two ends, the stator being arranged in casing 9 and rotor, described stator includes stator core 8 and armature
Winding 7, described rotor includes permanent magnet 14.
Described rotor includes rotating shaft 1 and is separately positioned on the electrical excitation S pole pole shoe 4 of annular at the axial two ends of rotating shaft 1, circle
The electrical excitation N pole pole shoe 12 of annular；The electrical excitation S pole pole shoe 4 of described annular, the electrical excitation N pole pole shoe 12 of annular
Fix with rotating shaft 1 respectively and be connected.Described electrical excitation S pole pole shoe 4, electrical excitation N pole pole shoe 12 respectively with the end cap of coaxial end
Additional air gap is formed between the inwall of 2.
As shown in Figure 4, described electrical excitation S pole pole shoe 4, the outward flange of electrical excitation N pole pole shoe 12 are respectively arranged with an excitation
Winding support 10, each described Exciting Windings for Transverse Differential Protection support 10 is separately fixed on the end cap 2 of coaxial end.Each described excitation around
An Exciting Windings for Transverse Differential Protection is placed respectively on pack support 10.
The surface distributed of described rotor has electrical excitation magnetic pole and permanent magnetism magnetic pole, and the distribution mode of electrical excitation magnetic pole, permanent magnetism magnetic pole is
One permanent magnetism magnetic pole is set between each two electrical excitation magnetic pole, or an electrical excitation magnetic pole is set between each two permanent magnetism magnetic pole.Phase
It is filled with non-magnet material between the electrical excitation magnetic pole of neighbour, permanent magnetism magnetic pole, uses solidification measure to make electrical excitation magnetic pole and permanent-magnet magnetic
It is an entirety that pole is relatively fixed.Described electrical excitation magnetic pole, permanent magnetism magnetic pole respectively and form main air gap between stator core 8.Such as figure
Shown in 3, a permanent magnetism magnetic pole N pole 15 is set between each two electrical excitation S pole 5, sets between each two electrical excitation N pole 13
Put a permanent magnetism magnetic pole S pole 16.
Described electrical excitation magnetic pole includes electrical excitation S pole 5, electrical excitation N pole 13, and one end vertically, described electrical excitation S pole 5 extends,
Collection is together in annular electrical excitation S pole pole shoe 4, as shown in Figure 5；Electrical excitation N pole 13 other end vertically extends, and collection is together in circle
Annular electro excitation N pole pole shoe 12, as shown in Figure 6.Described electrical excitation S pole pole shoe 4, electrical excitation N pole pole shoe 12 are the most fixing
In rotating shaft 1,
Described rotor also includes the permanent magnetism magnetic pole yoke 6 being forever fixed in rotating shaft 1, and described permanent magnet 14 is close to permanent magnetism magnetic pole magnetic
The outward flange of yoke 6, described permanent magnetism magnetic pole is the permanent magnetism magnetic pole N pole formed by the permanent magnet 14 that two take advantage of a situation (magnetic potential) is connected
15 and permanent magnetism magnetic pole S poles 16, as shown in Figure 7.
In technical scheme, described casing 9, end cap 2, electrical excitation S pole pole shoe 4, electrical excitation N pole pole shoe 12,
Electrical excitation magnetic pole, permanent magnetism magnetic pole, stator core are made by permeability magnetic material.Described rotating shaft 1 is made up of non-magnet material.
Described stator core 8 is fixed in casing 9, and described casing 9 is respectively with end cap 2, stator core 8 is seamless contacts, institute
State end cap 2 to be connected with rotating shaft 1 by bearing 17.When rotor rotates, casing 9, end cap 2, stator core 8 are all
Actionless parts, rotating shaft 1 drags rotor and rotates together.
Flux control principle and the voltage-regulation principle thereof of rotor magnetic circuit self reliance type combined magnetic pole synchronous motor of the present invention are as follows:
The most as shown in Figure 8, when the exciting current in Exciting Windings for Transverse Differential Protection 3 and Exciting Windings for Transverse Differential Protection 11 is zero, rotor magnetic pole only exists forever
Magnetic magnetic field, understanding permanent magnet flux path according to the polarity of permanent magnet 14 is: under the N pole → permanent magnetism magnetic pole pole-face of permanent magnet 14
Air gap → permanent magnet 14 → permanent magnetism magnetic pole yoke under air gap → stator core 9 → stator core yoke portion → another permanent magnetism magnetic pole pole-face
The S pole of 6 → permanent magnet 14 constitutes magnetic loop, and now the number of poles of motor is 2；
2. as it is shown in figure 9, work as in Exciting Windings for Transverse Differential Protection 3 and Exciting Windings for Transverse Differential Protection 11 and there is arrow institute in exciting current and the sense of current such as figure
When showing, the magnetic flux path of electrical excitation magnetic pole S pole is: electrical excitation magnetic pole S pole 5 → electrical excitation magnetic pole pole shoe 4 → additional air gap → end
Lid 2 → casing, 9 → stator core, 8 → air gap → electrical excitation magnetic pole S pole 5 constitutes electrical excitation magnetic loop；Electricity at the axial other end
The magnetic flux path of excitation pole N pole is: electrical excitation magnetic pole N pole 13 → air gap → armature core 8 → casing, 9 → end cap 2 → additional
Air gap → electrical excitation N pole pole shoe 12 constitutes electrical excitation magnetic loop, can correspondingly change by changing the size and Orientation of exciting current
The size of electrical excitation air-gap field and polarity；In motor gas-gap in addition to there is electro-magnetic flux, there is also permanent magnet flux, this
Time permanent magnet flux path with 1. in identical, now the number of poles of motor is 6；
3. the armature winding 7 being positioned in stator core 8 because rotor rotate and induce electromotive force, only with constitute armature winding 7 certain
Analyzing the feature of the induced potential of this motor as a example by one coil: in rotor rotation process, this coil cuts 2 electricity successively and encourages
Magnetic magnetic pole, 1 permanent magnetism magnetic pole, but electrical excitation magnetic pole size is not of uniform size with permanent magnetism magnetic pole fixed identical, in the most same coil
The alternating current amplitude size induced is change, i.e. non-sine electricity, for realizing sinusoidal phase voltage and the three-phase alternating current of symmetry
Electricity output, then need to process accordingly in the connected mode of winding.
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor of the present invention is identical with the dividing mode of conventional synchronization motor winding facies tract, this
Invention rotor magnetic circuit self reliance type combined magnetic pole synchronous motor stator winding can according to the distribution of 60 degree of facies tracts also can according to 120 degree of facies tracts,
This illustrates as a example by sentencing 60 degree of facies tracts:
Motor is 3 to pole as shown in Figure 3, according to 60 degree of Lithofacies dividing methods, rotor magnetic circuit self reliance type combined magnetic pole of the present invention
The armature winding facies tract of synchronous motor is followed successively by: 1A, 1Z, 1B, 1X, 1C, 1Y, 1A, 2Z, 2B, 2X, 2C, 2Y, 3A,
3Z、3B、3X、3C、3Y。
Table 1 facies tract distributes
(1) table 1 gives A1 phase (being taken advantage of a situation in series by the coil of 1A, 1X, 2A facies tract), B1 phase (by 1B,
The coil of 1Y, 2B facies tract is taken advantage of a situation in series), C1 phase (being taken advantage of a situation in series by the coil of 1Z, 1C, 2Z facies tract).This
Time: A1 phase, B1 phase, C1 phase are the sinusoidal ac of three-phase symmetrical, and its voltage magnitude size is regulated by electrical excitation, frequency
ForWherein, n is rotating speed, and p is number of pole-pairs 3.
(2) table 1 gives A2 phase (being taken advantage of a situation in series by the coil of 2X, 3A, 3X facies tract), B2 phase (by 2X,
The coil of 3B, 3Y facies tract is taken advantage of a situation in series), C2 phase (being taken advantage of a situation in series by the coil of 2C, 3Z, 3C facies tract).This
Time: A2 phase, B2 phase, C2 phase are the sinusoidal ac of three-phase symmetrical, and its amplitude size is regulated by electrical excitation, and frequency is
Wherein, n is rotating speed, and p is number of pole-pairs 3.
(2) the A1 phase in table 1, B1 phase, C1 phase constitute the exchange winding of a set of three-phase symmetrical, A2 phase, B2 phase, C2
Constitute the exchange winding of a set of three-phase symmetrical mutually, therefore the armature winding of the motor shown in Fig. 3 can be parallel branch number be 2
Three-phase ac synchronous motor, it is also possible to be parallel branch number be the three-phase ac synchronous motor of 1, i.e. A phase (A1 facies tract and A2
Facies tract is taken advantage of a situation series connection), B phase (B1 facies tract and B2 facies tract take advantage of a situation series connection), C phase (C1 facies tract and C2 facies tract take advantage of a situation series connection).
This motor is when motor, and regulation magnetic field makes motor have wider invariable power district, it is easy to accomplish weak magnetic speed-up, uses
When making electromotor, regulation magnetic field meets the regulatory demand of voltage.
The above, the only detailed description of the invention in the present invention, but protection scope of the present invention is not limited thereto, and any ripe
Know the people of this technology in the technical scope that disclosed herein, it will be appreciated that the conversion expected or replacement, all should contain in the present invention
Comprise within the scope of, therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. rotor magnetic circuit self reliance type combined magnetic pole synchronous motor, including casing (9), it is arranged on the end cap (2) at casing (9) two ends, the stator being arranged in casing (9) and rotor, described stator includes stator core (8) and armature winding (7), described rotor includes permanent magnet (14), it is characterised in that:
Described rotor includes rotating shaft (1) and is separately positioned on rotating shaft (1) axially electrical excitation S pole pole shoe (4) of annular at two ends, electrical excitation N pole pole shoe (12) of annular；Electrical excitation S pole pole shoe (4) of described annular, electrical excitation N pole pole shoe (12) of annular are fixed with rotating shaft (1) respectively and are connected；
Described electrical excitation S pole pole shoe (4), electrical excitation N pole pole shoe (12) respectively and coaxial end end cap (2) inwall between formed additional air gap；
Electrical excitation S pole pole shoe (4) of described annular, the outward flange of electrical excitation N pole pole shoe (12) of annular are respectively arranged with an Exciting Windings for Transverse Differential Protection support (10), and each described Exciting Windings for Transverse Differential Protection support (10) is separately fixed on the end cap (2) of coaxial end；Each described Exciting Windings for Transverse Differential Protection support (10) places an Exciting Windings for Transverse Differential Protection respectively；
The surface distributed of described rotor has electrical excitation magnetic pole and permanent magnetism magnetic pole, and the distribution mode of electrical excitation magnetic pole, permanent magnetism magnetic pole is to arrange a permanent magnetism magnetic pole between each two electrical excitation magnetic pole, or arranges an electrical excitation magnetic pole between each two permanent magnetism magnetic pole；
Described electrical excitation magnetic pole includes electrical excitation S pole (5), electrical excitation N pole (13), and described electrical excitation S pole (5) one end vertically extends, and collects electrical excitation S pole pole shoe (4) together in annular；Electrical excitation N pole (13) other end vertically extends, and collects electrical excitation N pole pole shoe (12) together in annular；
Described rotor also includes the permanent magnetism magnetic pole yoke (6) being fixed in rotating shaft (1), and described permanent magnet (14) is close to the outward flange of permanent magnetism magnetic pole yoke (6)；Non-magnet material all it is filled with between adjacent electrical excitation magnetic pole, permanent magnetism magnetic pole and between electrical excitation magnetic pole, permanent magnetism magnetic pole yoke.
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor the most according to claim 1, it is characterised in that described stator core (8) is fixed in casing (9), described casing (9) is respectively with end cap (2), stator core (8) is seamless contacts.
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor the most according to claim 1, it is characterised in that described end cap (2) is connected with rotating shaft (1) by bearing (17).
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor the most according to claim 1, it is characterised in that described electrical excitation magnetic pole, permanent magnetism magnetic pole respectively and form main air gap between stator core (8).
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor the most according to claim 1, it is characterized in that, described casing (9), end cap (2), electrical excitation S pole pole shoe (4), electrical excitation N pole pole shoe (12), electrical excitation magnetic pole, permanent magnetism magnetic pole, stator core are made by permeability magnetic material.
Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor the most according to claim 1, it is characterised in that described rotating shaft (1) is made up of non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335183.2A CN104158370B (en) | 2014-07-14 | Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335183.2A CN104158370B (en) | 2014-07-14 | Rotor magnetic circuit self reliance type combined magnetic pole synchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104158370A CN104158370A (en) | 2014-11-19 |
| CN104158370B true CN104158370B (en) | 2017-01-04 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900570B2 (en) * | 1999-12-03 | 2005-05-31 | Ecoair Corp. | Field controlled permanent magnet brushless electric machine |
| CN1710787A (en) * | 2005-06-07 | 2005-12-21 | 南京航空航天大学 | Tangential magnet-steel hybrid exciting synchronous motor |
| CN1808845A (en) * | 2005-12-27 | 2006-07-26 | 上海大学 | Bypass mixed excitation electrical motor |
| CN201466826U (en) * | 2009-05-06 | 2010-05-12 | 无锡顶一电机有限公司 | By-pass mixed excitation motor |
| CN102306992A (en) * | 2011-06-27 | 2012-01-04 | 南京航空航天大学 | Bidirectional rotor magnetic shunt mixed excited synchronous generator |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6900570B2 (en) * | 1999-12-03 | 2005-05-31 | Ecoair Corp. | Field controlled permanent magnet brushless electric machine |
| CN1710787A (en) * | 2005-06-07 | 2005-12-21 | 南京航空航天大学 | Tangential magnet-steel hybrid exciting synchronous motor |
| CN1808845A (en) * | 2005-12-27 | 2006-07-26 | 上海大学 | Bypass mixed excitation electrical motor |
| CN201466826U (en) * | 2009-05-06 | 2010-05-12 | 无锡顶一电机有限公司 | By-pass mixed excitation motor |
| CN102306992A (en) * | 2011-06-27 | 2012-01-04 | 南京航空航天大学 | Bidirectional rotor magnetic shunt mixed excited synchronous generator |
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